HD28i (Internal)
HD28i (Internal)
Delivering a constant supply of hot water
The Rinnai HD28i (internal) is a heavy duty commercial room-sealed internal continuous flow hot water system. It is always delivering a constant supply of hot water at a stable outlet temperature, no commercial hot water task is too much for the Rinnai HD28i Heavy Duty Continuous Flow Hot Water system. Thanks to Japanese quality and continuous design improvements this water heater has an inbuilt controller. It only consumes gas when in operation and achieves an excellent 6.0 Star energy rating.
What’s more, the HD28i’s flexible flueing options allow it to be installed virtually anywhere.
For Internal applications only.
Locate Your Nearest Store
Ideal for cafe’s, small retail and hairdressers
6.0 star energy efficiency rating
83% thermal efficiency
48kW output capacity
Internal model
Features
- 83% thermal efficiency
- Renowned Japanese design, quality and components
- Manufactured in Rinnai’s own state of the art facility
- 48kW output capacity
- Internal and external options available
- Heat exchange bypass technology to maintain perfect temperature while reducing pressure loss
- MECs (Manifold Electronic Control System) compatible
- External heater has a status operation monitor displaying the set water temperature and system status
Ideal for
- Cafés
- Hairdressing salons
- Butchers
- Laundromats with domestic style top loader machines
- Childcare centres
- Small amenity blocks
- Factories
Commercial warranty
- 5 year heat exchange warranty
- 3 year parts and labour warranty
Related products/Add-ons
The product information on this website (comprising product brochures, warranty information, installation manuals, diagrams, specifications and representations) relates to current products. This information may be different for superseded products. For superseded products please contact Rinnai to confirm product information.
| Rinnai – HD28 internal Heavy Duty Continuous Flow Hot Water | Values | |||
| Dimensions | Height | mm | 583 | |
| Width | 357 | |||
| Depth | 245 – 278 | |||
| Weight | kg | 21 | ||
| Colours | Silver | |||
| Factory Default Temperature | C | 50 or 75 | ||
| Water Pressure | Minimum | kPa | 220 | |
| Maximum | 1000 | |||
| Gas Rate | Minimum | NG / LPG | 11 | |
| Maximum | 210 | |||
| Flow Rate | 25° C/Max | L / min | 28 / 37 | |
| Thermal Efficiency Rating | % | 97 | ||
| Connection Sizes | Gas / Hot / Cold | 20 / 20 / 20 | ||
| Status Monitor | Yes | |||
| Dimensions | Height Inc Brackets | mm | 653 | |
| Hot Water Outlet | From Wall | 91 – 214 | ||
| Left from Centre | 110 | |||
| Cold Water Inlet | From Wall | 70 – 103 | ||
| Right from Centre | 27 | |||
| Gas Connection | From Wall | 99 – 132 | ||
| Right from Centre | 89 | |||
| Hot Connection Length | From Base | 36 | ||
| Cold Connection Length | 46 | |||
| Gas Connection Length | 36 | |||
| Condensate Connection Length | N / A | |||
Consumer
-
Infinity Gas Continuous Flow Hot Water Operation and Installation Manual
-
Gas Continuous Flow Hot Water Error Codes
-
Commercial Hot Water Warranty Booklet
Trade
-
HD28 Heavy Duty Continuous Flow Hot Water Specification Guide
-
Plans - HD28i (Internal) Heavy Duty Continuous Flow Hot Water (RFA)
-
Plans - HD28i (Internal) Heavy Duty Continuous Flow Hot Water (PDF)
Photos
-
Rinnai HD28i (Internal) Heavy Duty Continuous Flow Hot Water (flue front)
Rinnai HD28i (Internal) Heavy Duty Continuous Flow Hot Water (flue left)
Rinnai HD28i (Internal) Heavy Duty Continuous Flow Hot Water (flue right)
Rinnai HD28i (Internal) Heavy Duty Continuous Flow Hot Water (flue pipes)
Rinnai HD28i (Internal) Heavy Duty Continuous Flow Hot Water (flue cupboard)
Rinnai HD28i (Internal) Heavy Duty Continuous Flow Hot Water (flue interior)
Rinnai HD28i (Internal) Heavy Duty Continuous Flow Hot Water (top)
Rinnai HD28i (Internal) Heavy Duty Continuous Flow Hot Water (brackets under)
Rinnai HD28i (Internal) Heavy Duty Continuous Flow Hot Water Control Panel
Book a Service
/ Repair / Warranty AssessmentLooking for support?
Please get in touch and let us help.Locate a Store
We'll help you find a Rinnai stockist so you receive the right advice and product, as locally as possible.